Element block pseudo-class :active generated with box-sizing content-box border-radius font-weight normal border 0px rgba(0,0,0,1) solid height auto z-index auto opacity 1 line-height 1 overflow hidden width 160px position static transform background transition margin 0px cursor default padding 20px display block font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none outline none text-shadow 1px 1px 1px rgba(0,0,0,0.2)